Parker RDH103S50 Direct Acting Differential Area Relief Valves
Parker’s direct acting differential area relief valves are for fast response intermittent applications and work up to 380 bar (5500 psi) and 151 lpm (40 gpm). Lower leakage rates and pressure rise than standard direct acting reliefs.
Description
Parker RDH103S50 Direct Acting Differential Area Relief Valves
Product Description:
Parker’s direct acting differential area relief valves are designed for fast response intermittent applications and can handle pressures up to 380 bar (5500 psi) and flow rates up to 151 lpm (40 gpm). The valves provide lower leakage rates and pressure rise compared to standard direct acting reliefs.
Technical Specifications:
Flow Rate: 20 Gal/Min, 75 L/Min
Maximum Inlet Pressure Rating: 5500 psi, 380 bar
Pressure Control Range: 500-5000 psi, 34.5-350 bar
Adjustment Mechanism: Screw
Standard Setting Pressure: 2500 psi, 172 bar
Seal Material: D-Ring (Standard)
Mounting Type: Screw in cartridge valve
Cracking Pressure: N/A
Division: Hydraulic Cartridge Systems Division
Maximum Flow Rate: 20 Gal/Min, 75 L/Min
Maximum Operating Pressure: 5500 psi
Minimum Operating Pressure: 380 bar
Maximum Tank Pressure: 5000 psi, 350 bar
Maximum Pressure Setting: 5000 psi, 350 bar
Pressure Control Sensitivity: 589 per turn psi, 40.6 per turn bar
Reseat Pressure: 85% of pressure setting
Actuation Type: Pressure Sensing
Configuration: Differential Area Relief, Differential Relief with Reverse Flow Check
Leak Rate: 5 @ 75% Crack Pressure drops/min, .33 @ 75% Crack Pressure cm3/min
Cavity Size: C10-2
Function: Direct Acting
Operation Type: Automatic
For Fluid Type: Mineral-based or synthetic hydraulic fluids
Maximum Kinematic Viscosity: 45-2000 SSU (6 to 420 cSt)
Filter Efficiency Rating: ISO 4406 18/16/13, SAE Class 4
Valve Material: All parts steel. All operating parts hardened steel
Body Material: N/A
Port Thread Size: N/A
Installation Torque: 51-55 lb-ft, 69-75 Nm
Operating Temperature: -35 to +200 °F, -37 to +93 °C
Maximum Operating Temperature: +200 °F, +93 °C
Minimum Operating Temperature: -35 °F, -37 °C
Weight: 0.5 lb, 0.23 kg
